| United States Map Quiz | 0 | - | 4.98 | 4,163,759 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,973 |
| North America Map Quiz | 0 | - | 4.98 | 249,520 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,811 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,727 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,765 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,315 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,983 |
| History of Mexico | 0 | - | 4.58 | 15,336 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,219 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,860 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,418 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,621 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,764 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,622 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,420 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,035 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,106 |
| Central American Countries | 0 | - | 4.98 | 156,798 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 112,967 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,087 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,711 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,297 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,956 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,427 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,670 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,455 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,728 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,856 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,193 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,586 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,746 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,721 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,411 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,126 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,875 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,641 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,768 |
| Territories of the United States | 0 | - | 4.80 | 52,472 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,743 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,696 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,294 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,138 |
| New York City Geography | 0 | - | 4.42 | 33,127 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,712 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,785 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,611 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,605 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,580 |
| States of Mexico | 0 | - | 4.96 | 176,812 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,190 |
| States of Brazil | 0 | - | 4.97 | 88,641 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,716 |
| Famous Caribbean People | 0 | - | 4.37 | 12,633 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,079 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,299 |
| Word Chain - South America | 0 | - | 4.51 | 23,931 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,524 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,370 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,737 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,672 |
| 75 Americans Named John | 0 | - | 4.41 | 23,929 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,077 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,749 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,106 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,752 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,295 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,425 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,755 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,073 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,028 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,474 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,751 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,085 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,976 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,529 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,361 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,620 |
| Peru True or False? | 0 | - | 4.58 | 15,273 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,134 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,181 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,201 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,243 |
| Famous People from South America | 0 | - | 4.15 | 22,020 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,151 |
| Which Island in the United States? | 0 | - | 4.29 | 29,608 |
| American Foods | 0 | - | 3.66 | 39,402 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,133 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,291 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.27 | 14,777 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,365 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,921 |
| U.S. Analogies | 0 | - | 4.27 | 19,693 |
| Branches of the U.S. Military | 0 | - | 4.39 | 24,417 |
| Old West History | 0 | - | 4.34 | 15,285 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,528 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,954 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,749 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,735 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,619 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,450 |
| US States with the Most Executions | 0 | - | 4.51 | 26,406 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,104 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 48,097 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,183 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,748 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,836 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,215 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,729 |
| Canada Decoder | 0 | - | 4.07 | 18,736 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,384 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,620 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,708 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,606 |
| Australian Capitals | 0 | - | 4.92 | 62,756 |
| North America Cities by Map | 0 | - | 4.41 | 47,852 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,620 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,391 |
| California Multiple Choice | 0 | - | 4.40 | 28,126 |
| San Francisco Trivia | 0 | - | 4.32 | 15,712 |
| San Francisco A-Z | 0 | - | 4.18 | 9,582 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,187 |
| Boston City Trivia | 0 | - | 4.38 | 24,180 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,681 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,337 |
| Official European Union Languages | 0 | - | 4.97 | 238,941 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,144 |
| Europe Map Quiz | 0 | - | 5.00 | 4,771,637 |
| Oceania Map Quiz | 0 | - | 4.98 | 653,448 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,793 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,093 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,262 |
| U.S. History Multiple Choice #4 | 0 | - | 4.24 | 25,618 |
| Top 10 Most Religious U.S. States | 0 | - | 4.32 | 19,381 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,494 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.30 | 30,956 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,614 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,359 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,861 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,579 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,569 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,096 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,772 |
| Asia Map Quiz | 0 | - | 4.99 | 919,825 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,972 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,953 |
| Australia Map Quiz | 0 | - | 4.95 | 345,202 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,283 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,268 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,792 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,394 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,603 |
| USA Tourist Attractions by Description #2 | 0 | - | 4.00 | 21,340 |
| American Inventions #1 | 0 | - | 3.63 | 31,514 |
| American Inventions #2 | 0 | - | 3.93 | 15,873 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,824 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,583 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,382 |
| University of California Campuses | 0 | - | 3.84 | 8,924 |
| Famous Canadians Quiz | 0 | - | 3.94 | 23,417 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,832 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,744 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,063 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,600 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,070 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,116 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,706 |
| The Only European Country ... | 0 | - | 4.91 | 217,423 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,594 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,916 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,315 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,931 |
| Countries of Africa | 0 | - | 5.00 | 2,545,344 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,117 |
| African East Coast | 0 | - | 4.96 | 96,296 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,163 |
| Australian States and Territories | 0 | - | 4.96 | 142,246 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,367 |
| Australia True or False | 0 | - | 4.87 | 56,956 |
| Flags of North and South America | 0 | - | 4.99 | 374,404 |
| South American Physical Geography | 0 | - | 4.58 | 18,367 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,734 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,966 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,583 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,431 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,355 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,797 |
| Celtic Nations | 0 | - | 4.69 | 46,997 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,842 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,939 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,448 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,410 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,367 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,543 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,318 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,095 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,660 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,569 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,416 |
| Slavic Countries | 0 | - | 4.96 | 111,895 |
